﻿using System.Collections;
using CsharpPro._1106;

namespace CsharpPro._1106;

public class Demo
{
    public void TestPrint()
    {
        ArrayList arrayList = new ArrayList();
        List<User> userList = new List<User>();
        //Stack<int> stack = new Stack<int>();
        //Stack<User> stack2 = new Stack<User>();
        Stack<Student> stack = new Stack<Student>();
        Dictionary<string, Object> dictionary = new Dictionary<string, Object>();
        dictionary.Add("code", 0);
    }
}